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libsxmp/include/sxt/safebuf.h

59 lines
1.8 KiB
C

/*
* Secure eXtended Message Passing framework
* Secure eXtended Transport layer implementation: (libsxt)
* - very similar to SSH2/TLS
* - using already proven and tested crypto algos
* - better than TLS for message passing
*
* (c) Alexander Vdolainen 2016 <avdolainen@zoho.com>
*
* libsxmp is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* libsxmp is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.";
*
*/
#ifndef __SXT_SXTSAFEBUF_H__
#define __SXT_SXTSAFEBUF_H__
/* size and data, no padding */
typedef struct sxtsafebuffer_type {
uint32_t size;
unsigned char data[1];
} __attribute__((packed)) sxtsafebuffer_t;
/* functions to operate with this,
* please note, since it used within network
* context, few things must be applied.
*/
sxtsafebuffer_t *sxtsafebuffer_new(size_t);
int sxtsafebuffer_setdata(sxtsafebuffer_t *, const void *, size_t);
size_t sxtsafebuffer_length(sxtsafebuffer_t *);
void sxtsafebuffer_destroy(sxtsafebuffer_t *);
void *sxtsafebuffer_getdata(sxtsafebuffer_t *);
/* C string ops */
const char *sxtsafebuffer_tocstr(sxtsafebuffer_t *);
sxtsafebuffer_t *sxtsafebuffer_new_fromcstr(const char *);
/* returning value should be freed after use */
char *sxtsafebuffer_getcstr(sxtsafebuffer_t *);
void sxtsafebuffer_freecstr(char *);
#endif